PQ
PQ may refer to:
Places
- Province of Quebec, the largest province of Canada
- Rancho Peñasquitos, San Diego, informally
Politics and law
- Parti Québécois, a provincial political party in Quebec, Canada
- Parliamentary question, a question posed during Question time in a Westminster system legislature
- Previous question, a motion in Robert's Rules of Order to close debate
Science, technology, and mathematics
Computing
- PowerQuest, a producer of computer HDD software tools for the DOS/Windows platform
- Priority queuing, a data packet scheduling technique
- libpq, a C library for the PostgreSQL database
Psychology
- Play Quotient, a theory in child development pertaining to individuals and the characteristics of toys, games and other playthings
- Precision questioning, an intellectual toolkit for critical thinking and for problem solving
Other uses in science, technology, and mathematics
- PQ, a very simple formal system
- Perceptual Quantizer, a transfer function for video display
- Performance qualification, in pharmaceutics, part of verification and validation
- Picture quality; see video quality
- Plastoquinone, a molecule involved in photosynthesis
- Power quality, the set of limits of electrical properties
Other uses
- PQ, outbound Arctic convoys of World War II
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